A Quick One is the second studio album by the English rock band The Who, released on 9 December 1966. The album was also released under the title Happy Jack on Decca Records in April 1967 in the United States, where the song “Happy Jack” was a top 40 hit.

The Who are an English rock band that formed in 1964. Their classic line-up consisted of lead singer Roger Daltrey, guitarist and singer Pete Townshend, bass guitarist John Entwistle, and drummer Keith Moon. They are considered one of the most more...